/* ==========================================================================
   nanhu web theme · page.css
   内页（新闻中心 / 帮助中心）样式 + 响应式
   ========================================================================== */

/* ============================ 页面顶部条 ============================ */
.page-hero {
  position: relative;
  padding: 54px 0 44px;
  background: linear-gradient(180deg, #fff6ee 0%, #ffffff 100%);
  border-bottom: 1px solid #f6e7d8;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(229, 103, 33, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(229, 103, 33, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(90deg, black 0 60%, transparent 100%);
  mask-image: linear-gradient(90deg, black 0 60%, transparent 100%);
}
.page-hero .cloud-shell { position: relative; }

.page-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: #a08d7e;
}
.page-crumbs a { color: #a08d7e; transition: color 0.2s; }
.page-crumbs a:hover { color: var(--Original); }
.page-crumbs span.sep { opacity: 0.6; }

.page-hero h1 {
  margin: 0 0 10px;
  font-size: 34px;
  font-weight: 650;
  letter-spacing: -1.2px;
  line-height: 1.3;
  color: var(--heading);
  word-break: break-word;
}
.page-hero-sub { margin: 0; font-size: 14px; color: var(--txtdesc); }

/* ============================ 栅格布局 ============================ */
.page-main { padding: 46px 0 84px; }
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 30px;
  align-items: start;
}
.page-layout > aside { min-width: 0; }

/* ============================ 列表卡片 ============================ */
.news-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.news-item {
  display: flex;
  flex-direction: column;
  padding: 22px 22px 18px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(25, 46, 53, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.news-item:hover {
  transform: translateY(-3px);
  border-color: #f4d9c2;
  box-shadow: 0 14px 28px rgba(25, 46, 53, 0.09);
}
.news-item h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--heading);
}
.news-item h3 a { color: inherit; }
.news-item h3 a:hover { color: var(--Original); }
.news-item p {
  flex: 1;
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: #6b7480;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed #f0e5da;
  font-size: 12px;
  color: #a0a7ad;
}
.news-meta .read-more { color: var(--btn-orange); font-weight: 600; transition: color 0.2s; }
.news-meta .read-more:hover { color: var(--btn-orange-hover); }

/* ============================ 分类胶囊 ============================ */
.cate-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}
.cate-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid #f0e2d4;
  border-radius: 99px;
  background: #fff8f2;
  color: #7a6a5d;
  font-size: 13px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.cate-chip:hover { border-color: var(--Original); color: var(--Original); background: #fff; }
.cate-chip b { font-size: 11px; font-weight: 600; color: #b9a898; }

/* ============================ 侧栏 ============================ */
.side-card {
  margin-bottom: 16px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(25, 46, 53, 0.04);
}
.side-card h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--heading);
}
.side-card h4::before {
  content: "";
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background: var(--Original);
}
.side-list { display: flex; flex-direction: column; }
.side-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 0;
  font-size: 13.5px;
  color: #5d6673;
  border-bottom: 1px dashed #f2ece5;
  transition: color 0.2s;
}
.side-list a:last-child { border-bottom: 0; }
.side-list a:hover { color: var(--Original); }
.side-list a.active { color: var(--Original); font-weight: 600; }
.side-list .count { flex-shrink: 0; padding: 1px 7px; border-radius: 99px; background: #faf5f0; font-size: 11px; color: #b9a898; }

.side-search {
  display: flex;
  height: 42px;
  border: 1px solid #eef1f5;
  border-radius: 9px;
  overflow: hidden;
}
.side-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 0 12px;
  font-size: 13px;
  color: #333;
}
.side-search button {
  width: 46px;
  border: 0;
  background: var(--Original);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}
.side-search button:hover { background: var(--btn-orange-hover); }
.side-search svg {
  width: 15px; height: 15px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round;
}

/* ============================ 分页 ============================ */
.page-wrap-pagination { margin-top: 28px; }
.page-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-pagination li a,
.page-pagination li span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid #f0e2d4;
  border-radius: 8px;
  background: #fff;
  color: #7a6a5d;
  font-size: 13px;
  text-decoration: none;
}
.page-pagination li.active a,
.page-pagination li.active span {
  background: var(--Original);
  border-color: var(--Original);
  color: #fff;
}
.page-pagination li a:hover { border-color: var(--Original); color: var(--Original); }

/* ============================ 文章正文 ============================ */
.article-card {
  padding: 34px 38px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(25, 46, 53, 0.05);
}
.article-head {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid #f4efe9;
}
.article-head h1 {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--heading);
  word-break: break-word;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12.5px;
  color: #a0a7ad;
}
.article-body {
  font-size: 14.5px;
  line-height: 2;
  color: #4b5563;
  word-break: break-word;
}
.article-body img { max-width: 100%; height: auto; border-radius: 8px; }
.article-body h1, .article-body h2, .article-body h3, .article-body h4 {
  margin: 1.4em 0 0.7em;
  line-height: 1.5;
  color: var(--heading);
}
.article-body h1 { font-size: 22px; }
.article-body h2 { font-size: 19px; }
.article-body h3 { font-size: 17px; }
.article-body p { margin: 0 0 1em; }
.article-body a { color: var(--Original); }
.article-body a:hover { color: var(--btn-orange-hover); }
.article-body ul, .article-body ol { margin: 0 0 1em; padding-left: 1.5em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1em 0; }
.article-body table td, .article-body table th {
  padding: 8px 12px;
  border: 1px solid #eee5dc;
  font-size: 13.5px;
}
.article-body blockquote {
  margin: 1em 0;
  padding: 12px 18px;
  border-left: 3px solid var(--Original);
  border-radius: 0 8px 8px 0;
  background: #fff7f1;
  color: #7a6a5d;
}
.article-body pre {
  margin: 1em 0;
  padding: 14px 16px;
  border-radius: 10px;
  background: #1f2430;
  color: #e6e9f0;
  font-size: 12.5px;
  line-height: 1.8;
  overflow: auto;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  color: var(--btn-orange);
  font-size: 13.5px;
  font-weight: 600;
  transition: color 0.2s;
}
.article-back:hover { color: var(--btn-orange-hover); }

/* ============================ 空状态 ============================ */
.page-empty {
  padding: 60px 20px;
  border: 1px dashed #f0e2d4;
  border-radius: 12px;
  background: #fffaf6;
  text-align: center;
  color: #a0a7ad;
  font-size: 14px;
}

/* ============================ 响应式 ============================ */
@media (max-width: 900px) {
  .page-layout { grid-template-columns: 1fr; }
  .page-layout > aside { order: 2; }
}

@media (max-width: 820px) {
  .page-hero { padding: 38px 0 30px; }
  .page-hero h1 { font-size: 26px; letter-spacing: -0.8px; }
  .page-main { padding: 32px 0 60px; }
  .article-card { padding: 22px 18px; }
  .article-head h1 { font-size: 20px; }
  .article-body { font-size: 14px; line-height: 1.95; }
}

@media (max-width: 640px) {
  .news-list { grid-template-columns: 1fr; }
}